McLean, Virginia 

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Climate in McLean, Virginia

McLean, Virginia gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

McLean averages 20 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 203 sunny days per year in McLean. The US average is 205 sunny days.

McLean gets some kind of precipitation, on average, 117 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 86 degrees
Winter Low: the January low is 25
Rain: averages 44 inches of rain a year
Snow: averages 20 inches of snow a year


SPERLING'S COMFORT INDEX
McLean ranks 52/100 for Comfort Index

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

CLIMATE

Climate Averages
  McLean, VirginiaUnited States
  43.8 in.38.1 in.
  20.1 in.27.8 in.
  117.0 days106.2 days
  203 days205 days
  86.0°85.8°
  24.5°21.7°
  5254
  44.3
  285 ft.2443 ft.

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


July is the hottest month for McLean with an average high temperature of 86.0°, which ranks it as cooler than most places in Virginia. In McLean, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for McLean are September, May and June.


January has the coldest nighttime temperatures for McLean with an average of 24.5°. This is about average compared to other places in Virginia.


In McLean, there are 20.4 days annually when the high temperature is over 90°, which is about average compared to other places in Virginia.


In McLean, there are 94.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.


In McLean, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Virginia.


May is the wettest month in McLean with 4.4 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 43.8 inches in McLean means that it is about average compared to other places in Virginia.


May is the rainiest month in McLean with 11.9 days of rain, and August is the driest month with only 8.6 rainy days. There are 117.0 rainy days annually in McLean, which is rainier than most places in Virginia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.


An annual snowfall of 20.1 inches in McLean means that it is snowier than most places in Virginia.



January is the snowiest month in McLean with 7.7 inches of snow, and 5 months of the year have significant snowfall.


CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    Reviews for McLean    7 Reviews
    Comments - 3/30/2013
    McLean has superb QOL - inside the Beltway, rural feeling, easy commute to DC via nat'l parkway, influential... Read More

    Start Your Review of McLean


    Seasons - 3/22/2008
    There are definitely four seasons here; but, the winters tend to be short and the summers... Read More

    Housing prices. - 4/19/2007
    Very expensive housing here. We could never afford to buy... Read More


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    ZIP CODES IN MCLEAN, VIRGINIA
    22101

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